221199680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53173}}^1$

素因数の和:53203

約数の個数: 56

約数和(自身を含む): 567260232

約数和(自身を除く): 346060552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 53173, 106346, 212692, 265865, 425384, 531730, 691249, 850768, 1063460, 1382498, 1701536, 2126920, 2764996, 3403072, 3456245, 4253840, 5529992, 6912490, 8507680, 11059984, 13824980, 17015360, 22119968, 27649960, 44239936, 55299920, 110599840, 221199680]

約数ペア:

[(1, 221199680), (2, 110599840), (4, 55299920), (5, 44239936), (8, 27649960), (10, 22119968), (13, 17015360), (16, 13824980), (20, 11059984), (26, 8507680), (32, 6912490), (40, 5529992), (52, 4253840), (64, 3456245), (65, 3403072), (80, 2764996), (104, 2126920), (130, 1701536), (160, 1382498), (208, 1063460), (260, 850768), (320, 691249), (416, 531730), (520, 425384), (832, 265865), (1040, 212692), (2080, 106346), (4160, 53173)]